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3 years ago

If only a green light shown on a bunny that has black and white fur, what would the bunny look like?

1 answer:

nataly862011 [7]3 years ago

3 0

The white fur reflects all colors, so would appear green.
The black fur reflects no colors, so would still appear black.

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A football is kicked from ground level at an angle of 53 degrees. It reaches a maximum height of 7.8 meters before returning to

Nonamiya [84]

Answer:

1.61 second

Explanation:

Angle of projection, θ = 53°

maximum height, H = 7.8 m

Let T be the time taken by the ball to travel into air. It is called time of flight.

Let u be the velocity of projection.

The formula for maximum height is given by

$H = \frac{u^{2}Sin^{2}\theta }{2g}$

By substituting the values, we get

$7.8= \frac{u^{2}Sin^{2}53 }{2\times 9.8}$

u = 9.88 m/s

Use the formula for time of flight

$T = \frac{2uSin\theta }{g}$

$T = \frac{2\times 9.88\times Sin53 }{9.8}$

T = 1.61 second

7 0

2 years ago

Through which one of the following mediums is the velocity of a sound wave the greatest?

Colt1911 [192]

Answer: C. Steel

Explanation: When a sound wave travels through a solid body consisting

of an elastic material, the velocity of the wave is relatively

high. For instance, the velocity of a sound wave traveling

through steel (which is almost perfectly elastic) is about

5,060 meters per second. On the other hand, the velocity

of a sound wave traveling through an inelastic solid is

relatively low. So, for example, the velocity of a sound wave

traveling through lead (which is inelastic) is approximately

1,402 meters per second.

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3 years ago

Which liquid is the most vicious? Syrup, water, milk, or apple juice?

Nadya [2.5K]

Answer:

syrup

Explanation:

6 0

3 years ago

What is the formula to calculate force?

Juliette [100K]

The process of determining the value of the individual forces acting upon an object involve an application of Newton's second law (Fnet=m. a) and an application of the meaning of the net force.

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3 years ago

Why are some isotopes used as tracers?

sineoko [7]

C. They decay at a predictable rate. IE carbon 14 decay to carbon 12 to understand how long ago something was alive.

6 0

3 years ago